CHARLOTTE, N.C. -- A Hendrick Motorsports employee is the brother of the officer that was killed by the Boston bombing suspects Thursday night, according to a press release from Hendrick Motorsports.

MIT officer Sean Collier was killed during a shootout with Tamerlan Tsarnaev and Dzhokhar A. Tsarnaev, the Boston bombing suspects late Thursday night near the MIT campus.

Andrew Collier, a machinist in the Hendrick Motorsports engine department, is the younger brother of Sean, according to the press release by Hendrick Motorsports. He joined the company in 2008.

Friends say Andrew Collier has worked for Hendrick as a pit stop mechanic for several years. They say he is originally from Boston.

Jimmie Johnson, a Hendrick Driver, told NBCCharlotte Friday has been a difficult day for the Hendrick racing family.

There are still a lot of questions. If anyone has had the chance to watch the news, there still is a lot of chaos in Boston-- trying to gather all that's going on, but a very sad time, Johnson said, My thoughts and prayers are with the Collier family and I certainly know that's the same for all of the Hendrick Motorsports. We're one big family, and it's sad to see a fellow teammate and his family going through such a tough time.

Massachusetts General Hospital pronounced Collier dead upon arrival Thursday after 10:30 p.m.

Collier worked for the Somerville Police Department information technology department before joining the MIT police in January 2012, Somerville Mayor Joesph Curtatone said.

Hendrick Motorsports release asked that the family s privacy be considered during this difficult time.

Sean Collier graduated with honors from Salem State University in 2009 where he majored in criminal justice.

Andrew Collier is a student at Rowan Cabarrus Community College. Friends say he's a great guy who loves racing.

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